Home / 4,126.39-6,191.71-2,740.68

Finding the Fourth Proportional to 4,126.39, 6,191.71 and 2,740.68

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Solution

The fourth proportional to 4,126.39, 6,191.71 and 2,740.68 is: 4,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.39 : 6,191.71 = 2,740.68 : x
  2. Step 2: Convert to fraction form
    4,126.39/6,191.71 = 2,740.68/x
  3. Step 3: Cross multiply
    4,126.39x = 6,191.71 × 2,740.68
  4. Step 4: Simplify right side
    4,126.39x = 16,969,482.06
  5. Step 5: Solve for x
    x = 16,969,482.06/4,126.39
  6. Step 6: Final answer
    x = 4,112.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.